37.19 PTC

Table 37-26. Peripheral Touch Controller Specifications
Operating Conditions: V_DD = 3.0V T_A = 25ºC
Symbol	Description	Min.	Typ.✝	Max.	Unit	Conditions
V_DD	Supply voltage	2.5	—	5.5	V
C_LOAD *	Maximum load, mutual capacitance	—	—	32	pF
C_LOAD *	Maximum load, self capacitance	—	—	64	pF
C_INT *		—	30	—	pF
C_SH	Driven shield capacitive drive⁽¹⁾	—	300	—	pF
CLK_{PTC_ADC} *	PTC ADC operating frequency	250	—	2000	kHz
✝ Data in the “Typ.” column is at T_A = 25°C and V_DD = 3.0V unless otherwise specified. These parameters are for design guidance only and are not tested. * These parameters are characterized but not tested in production.